VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+AS/143/303
  Ultra steep spectrum radio sources catalog (De Breuck+ 2000) Query images/fits /fits
ReadMe+ftp
2000A&AS..143..303D
Similar Catalogs
image/fits
(Access to FITS files)
image/fits
Post annotation 		img(gal)
1.J/A+AS/143/303/tablea1List of WN (WENSS-NVSS) USS sources (343 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Name (char) (i) Name of the source (meta.id;meta.main)
  n_Name (char) [*] *: note in notes.dat file (meta.note)
  S325 mJy 325 MHz flux density (phot.flux.density;em.radio.200-400MHz)
  e_S325 mJy Error in 325 MHz flux density (stat.error)
  S1400 mJy 1400 MHz flux density (phot.flux.density;em.radio.750-1500MHz)
  e_S1400 mJy Error in 1400 MHz flux density (stat.error)
  S4850 mJy (n) 4850 MHz flux density (phot.flux.density;em.radio.3-6GHz)
  e_S4850 mJy (n) Error in 4850 MHz flux density (stat.error)
  WNSI  Spectral index 325-1400 (spect.index)
  e_WNSI  Error in spectral index 325-1400 (stat.error)
  NCSI  (n) Spectral index 1400-4850 (spect.index)
  e_NCSI  (n) Error in spectral index 1400-4850 (stat.error)
  Struct (char) Radio structure code (Note G1)   (meta.code)
  LAS arcsec (n) Radio largest angular size (phys.angSize;em.radio;stat.max)
  PA deg (n) Radio position angle North through East (pos.posAng)
  RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  Pos (char) [FNV] Position origin code (Note G2)   (meta.ref;pos.frame)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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